求翻译：我国现有房地产相关网站大约200 多个,大多涉及房地产企业各个操作环节：房地产政策信息、企业内部管理、工程及材料管理、销售及中介代理和物业管理等。是什么意思？

China's current real estate related sites about 200, mostly related to real estate companies operating in various sectors: real estate policy information, internal management, engineering and materials management, sales and brokerage and property management.

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Our country existing real estate correlation website about more than 200, mostly involve the real estate enterprise each operation link: Real estate policy information, enterprise internal management, project and material management, sale and intermediary proxy and estate management and so on.

Existing real estate website in China about over more than 200, mostly in real estate enterprise operation: real estate policy information, internal management, engineering, and materials management, sales and brokerage and property management.

Existing real estate website in China about over more than 200, mostly in real estate enterprise operation: real estate policy information, internal management, engineering, and materials management, sales and brokerage and property management.